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Increase the number of buckets in the queue latency histogram #137596

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Merged
nicktindall merged 2 commits into from
Nov 5, 2025
Merged

Increase the number of buckets in the queue latency histogram #137596

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6d48951
Increase the number of buckets in the queue latency histogram
nicktindall Nov 4, 2025
e274c7c
Add units
nicktindall Nov 5, 2025
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3 changes: 2 additions & 1 deletion ...g/elasticsearch/common/util/concurrent/TaskExecutionTimeTrackingEsThreadPoolExecutor.java
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Expand Up @@ -39,7 +39,8 @@
* An extension to thread pool executor, which tracks statistics for the task execution time.
*/
public final class TaskExecutionTimeTrackingEsThreadPoolExecutor extends EsThreadPoolExecutor {
public static final int QUEUE_LATENCY_HISTOGRAM_BUCKETS = 18;
// 20 buckets means the upper bound on the largest bound bucket will be 2^18 ms (~= 4 minutes 20 seconds)
public static final int QUEUE_LATENCY_HISTOGRAM_BUCKETS = 20;
private static final int[] LATENCY_PERCENTILES_TO_REPORT = { 50, 90, 99 };

private final Function<Runnable, WrappedRunnable> runnableWrapper;
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